CVE-2026-32313: xmlseclibs: Missing AES-GCM Authentication Tag Validation on Encrypted Nodes Allows for Unauthorized Decryption

high Affects robrichards/xmlseclibs. Feed 2026.10.29.3, updated 2026-10-29; published ; advisory modified .

xmlseclibs: Missing AES-GCM Authentication Tag Validation on Encrypted Nodes Allows for Unauthorized Decryption

Package
robrichards/xmlseclibs Composer
Affected versions
<3.1.5
Fixed in
3.1.5
Severity
high  CVSS 8.2
Exploitation
not on CISA KEV · EPSS 0% (4.9th percentile)
Published
2026-03-13
Source
osv.dev

References

CWE-354
NVD recordrobrichards/xmlseclibs advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden deps composer.lock

# or, without Composer
pipx install phpwarden   &&   phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs   How findings are ranked

Related advisories